Vented cat litter box



FIG. 1 is a front elevational view of the vented cat litter box showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is an exploded perspective view thereof.

The broken lines in FIG. 7 are for purposes of illustration only and form no part of the claimed design. 

The ornamental design for a vented cat litter box, as shown and described. 